Biexcitonic effects in the time integrated four-wave mixing with picosecond pulses

Takao Aoki, Yu P. Svirko, M. Kuwata-Gonokami

Research output: Contribution to journalArticle

Abstract

We propose a simple method to estimate the biexcitonic contribution to the excitonic non-linearity. The method is based on the time integrated four-wave mixing (TI FWM) with picosecond pulses. The TI FWM signal, which is measured as a function of the delay between pump and test pulses, shows shift towards positive and negative time delay when the laser is tuned at the exciton and biexciton resonance, respectively. We show theoretically that the magnitude of the shift allows us to estimate the biexcitonic contribution to the third-order non-linearity at the fundamental band edge.

Original languageEnglish
Pages (from-to)197-201
Number of pages5
JournalSolid State Communications
Volume127
Issue number3
DOIs
Publication statusPublished - 2003 Jul
Externally publishedYes

Fingerprint

Four wave mixing
picosecond pulses
four-wave mixing
nonlinearity
shift
estimates
Excitons
Time delay
time lag
excitons
Pumps
pumps
Lasers
pulses
lasers
LDS 751

Keywords

  • A. GaN
  • A. Semiconductors
  • E. Four-wave mixing

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Biexcitonic effects in the time integrated four-wave mixing with picosecond pulses. / Aoki, Takao; Svirko, Yu P.; Kuwata-Gonokami, M.

In: Solid State Communications, Vol. 127, No. 3, 07.2003, p. 197-201.

Research output: Contribution to journalArticle

Aoki, Takao ; Svirko, Yu P. ; Kuwata-Gonokami, M. / Biexcitonic effects in the time integrated four-wave mixing with picosecond pulses. In: Solid State Communications. 2003 ; Vol. 127, No. 3. pp. 197-201.
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